Supporting bracket for a ceiling fan



FIG. 1 is the perspective view of a "supporting bracket for a ceiling fan" showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is the rear view thereof;

FIG. 4 is the left side view thereof;

FIG. 5 is the right side view thereof;

FIG. 6 is the top view thereof;

FIG. 7 is the bottom view thereof; and,

FIG. 8 is the perspective view thereof on a reduced scale shown in use.

The broken line showing of environmental structure in FIG. 8 is for illustrative purposes only, and forms no part of the claimed design. 

The ornamental design for a "supporting bracket for a ceiling fan," as shown and described. 